Finding the Fourth Proportional to 10,872,711.36, 16,298,881.08 and 3,679,209.12
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Solution
The fourth proportional to 10,872,711.36, 16,298,881.08 and 3,679,209.12 is: 5,515,366.86
Step by Step Solution
- Step 1: Write the proportion equation
10,872,711.36 : 16,298,881.08 = 3,679,209.12 : x - Step 2: Convert to fraction form
10,872,711.36/16,298,881.08 = 3,679,209.12/x - Step 3: Cross multiply
10,872,711.36x = 16,298,881.08 × 3,679,209.12 - Step 4: Simplify right side
10,872,711.36x = 59,966,991,915,331.45 - Step 5: Solve for x
x = 59,966,991,915,331.45/10,872,711.36 - Step 6: Final answer
x = 5,515,366.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.